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Old 07-29-2020, 11:53 PM   #1
Reno
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Cummins leaf springs

Building a 1968 Suburban with Cummins 12V and wondering what people are using for leaf spring upgrades?

I will be running a Dana 60 front and Dana 70 rear from my donor truck a 1992 Dodge W250 also using the 12V cummins upgrade to p-pump.

looking to leaf springs ordered as i understand there's a long wait time...

Thanks
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Old 08-01-2020, 10:07 PM   #2
v30crewcab
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Re: Cummins leaf springs

I've been running 4" tuff country hd in the front of my 88 for years. work great.
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Old 08-10-2020, 10:06 PM   #3
Dieselwrencher
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Re: Cummins leaf springs

Same here. My orange truck has rough country 4" springs and they've been in there for over 6 years. I haven't had any issues with them at all.
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1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project


Tired of spark plugs? Check this out.
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Old 08-11-2020, 06:33 PM   #4
Reno
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Re: Cummins leaf springs

Dieselwrencher do you have part numbers for the springs you used?
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Old 08-11-2020, 06:34 PM   #5
Reno
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Re: Cummins leaf springs

Guess I will need to start a thread on this adventure / build...
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Old 08-11-2020, 08:25 PM   #6
Dieselwrencher
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Re: Cummins leaf springs

Here is a good supplier to get springs from. I've purchased many pairs of different springs from them and the shipping isn't crazy expensive.

https://www.sdtrucksprings.com/index...518509effca8f1
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Ryan
1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project


Tired of spark plugs? Check this out.
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